Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis

Objectives: To investigate the effects of age, period, and cohort (APC) on trends in cognitive function among the Chinese elderly, and to explore how gender gaps in cognitive function change with age, period, and cohort.Methods: This study used data from the Chinese Longitudinal Healthy Longevity Su...

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Autores principales:	Xiaoqian Hu, Shuyan Gu, Xuemei Zhen, Xueshan Sun, Yuxuan Gu, Hengjin Dong
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	age-period-cohort cognition China elderly gender disparity Public aspects of medicine RA1-1270
Acceso en línea:	https://doaj.org/article/c0f97ca7db0e4d96b51c4ad65df35a03
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spelling	oai:doaj.org-article:c0f97ca7db0e4d96b51c4ad65df35a032021-11-11T07:29:33ZTrends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis2296-256510.3389/fpubh.2021.753671https://doaj.org/article/c0f97ca7db0e4d96b51c4ad65df35a032021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpubh.2021.753671/fullhttps://doaj.org/toc/2296-2565Objectives: To investigate the effects of age, period, and cohort (APC) on trends in cognitive function among the Chinese elderly, and to explore how gender gaps in cognitive function change with age, period, and cohort.Methods: This study used data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS) from 1998 to 2018, and included 90,432 participants aged above 65 years old. The measurement of cognitive function was the score of the Mini-Mental State Examination (MMSE). Cross-classified random-effect models were used to investigate age, period, and cohort trends in cognitive function.Results: Mini-Mental State Examination scores decreased with age at an increasing rate. While the cohort effect was nearly stable, the period effect demonstrated a downward trend from 1998 to 2002 followed by a nearly flat line. Females were associated with lower MMSE scores than males. When age increased, the gender gaps in MMSE scores further increased. The period-based gender gaps in MMSE scores diverged throughout the 20 years, while the cohort-based gender disparities in MMSE scores converged with successive cohorts.Conclusions: Age, period, and cohort had different and independent effects on cognitive function among the Chinese elderly. The effect of age was stronger than that of period and cohort. Gender disparities in cognitive function increased with age and period, and decreased with successive cohorts.Xiaoqian HuXiaoqian HuShuyan GuXuemei ZhenXuemei ZhenXueshan SunYuxuan GuHengjin DongHengjin DongFrontiers Media S.A.articleage-period-cohortcognitionChinaelderlygender disparityPublic aspects of medicineRA1-1270ENFrontiers in Public Health, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	age-period-cohort cognition China elderly gender disparity Public aspects of medicine RA1-1270
spellingShingle	age-period-cohort cognition China elderly gender disparity Public aspects of medicine RA1-1270 Xiaoqian Hu Xiaoqian Hu Shuyan Gu Xuemei Zhen Xuemei Zhen Xueshan Sun Yuxuan Gu Hengjin Dong Hengjin Dong Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis
description	Objectives: To investigate the effects of age, period, and cohort (APC) on trends in cognitive function among the Chinese elderly, and to explore how gender gaps in cognitive function change with age, period, and cohort.Methods: This study used data from the Chinese Longitudinal Healthy Longevity Survey (CLHLS) from 1998 to 2018, and included 90,432 participants aged above 65 years old. The measurement of cognitive function was the score of the Mini-Mental State Examination (MMSE). Cross-classified random-effect models were used to investigate age, period, and cohort trends in cognitive function.Results: Mini-Mental State Examination scores decreased with age at an increasing rate. While the cohort effect was nearly stable, the period effect demonstrated a downward trend from 1998 to 2002 followed by a nearly flat line. Females were associated with lower MMSE scores than males. When age increased, the gender gaps in MMSE scores further increased. The period-based gender gaps in MMSE scores diverged throughout the 20 years, while the cohort-based gender disparities in MMSE scores converged with successive cohorts.Conclusions: Age, period, and cohort had different and independent effects on cognitive function among the Chinese elderly. The effect of age was stronger than that of period and cohort. Gender disparities in cognitive function increased with age and period, and decreased with successive cohorts.
format	article
author	Xiaoqian Hu Xiaoqian Hu Shuyan Gu Xuemei Zhen Xuemei Zhen Xueshan Sun Yuxuan Gu Hengjin Dong Hengjin Dong
author_facet	Xiaoqian Hu Xiaoqian Hu Shuyan Gu Xuemei Zhen Xuemei Zhen Xueshan Sun Yuxuan Gu Hengjin Dong Hengjin Dong
author_sort	Xiaoqian Hu
title	Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis
title_short	Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis
title_full	Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis
title_fullStr	Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis
title_full_unstemmed	Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis
title_sort	trends in cognitive function among chinese elderly from 1998 to 2018: an age-period-cohort analysis
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/c0f97ca7db0e4d96b51c4ad65df35a03
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Trends in Cognitive Function Among Chinese Elderly From 1998 to 2018: An Age-Period-Cohort Analysis

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